„Turtle farms threaten rare species, experts say”. Fish Farmer. 30 March 2007. Accesat în November 2012.Verificați datele pentru: |access-date= (ajutor) Their source is an article by James Parham, Shi Haitao, and two other authors, published in Feb 2007 in the journal Conservation Biology

„Gopher Tortoise Stew”. Smithsonian magazine. octombrie 2001.Mentenanță CS1: Formatul datelor (link) , from Recipes from Another Time: Savor the flavor of old St. Augustine and try a couple of these original recipes

„Declared Turtle Trade From the United States: Destinations”. World Chelonian Trust. May 2006. Accesat în November 2012.Verificați datele pentru: |access-date= (ajutor) ( (Major destinations: 13,625,673 animals to Hong Kong, 1,365,687 to the rest of the PRC, 6,238,300 to Taiwan, 3,478,275 to Mexico, and 1,527,771 to Japan, 945,257 to Singapore, and 596,966 to Spain.)